Use a sketch to find the exact value of the following expression. cos sin 7 25 Which of the following triangles is used to find the exact value of the given expression? ○ A. Cos (25,7) r y=7 x x=25 7 1 sin 25 ☑ ○ B. ос. Q (7.y) r=25 y x ☑ x=7 (Type an integer or a simplified fraction.) (x,7) r=25 y=7 x x Q ○ D. r (7,25) x=7 y=25 x Q ☑
Use a sketch to find the exact value of the following expression. cos sin 7 25 Which of the following triangles is used to find the exact value of the given expression? ○ A. Cos (25,7) r y=7 x x=25 7 1 sin 25 ☑ ○ B. ос. Q (7.y) r=25 y x ☑ x=7 (Type an integer or a simplified fraction.) (x,7) r=25 y=7 x x Q ○ D. r (7,25) x=7 y=25 x Q ☑
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 66RE
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Transcribed Image Text:Use a sketch to find the exact value of the following expression.
cos sin
7
25
Which of the following triangles is used to find the exact value of the given expression?
○ A.
Cos
(25,7)
r
y=7
x
x=25
7
1
sin
25
☑
○ B.
ос.
Q
(7.y)
r=25
y
x
☑
x=7
(Type an integer or a simplified fraction.)
(x,7)
r=25
y=7
x
x
Q
○ D.
r
(7,25)
x=7
y=25
x
Q
☑
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